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Topic: Active and passive transformation


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In the News (Fri 17 Feb 12)

  
  Coordinate system - Wikipedia, the free encyclopedia
In the case that vector quantities are considered in relation to position and displacement, as in vector fields, a similarity transformation of space is normally accompanied by a corresponding linear transformation of the other vector quantities, to preserve angles between e.g.
The transformation is linear because, as opposed to position, most vector quantities have a natural origin, e.g.
Changing the basis is a coordinate transformation, a linear transformation that can be summarized by a matrix, and is computationally the same as a mapping of points to other points keeping the bases the same: e.g.
en.wikipedia.org /wiki/Coordinates   (1119 words)

  
 [No title]   (Site not responding. Last check: 2007-10-19)
Additionally, the active and passive components in a TG-based PIC can be separately optimized with post- growth processing steps used to determine the location and type of devices on the PIC.
The tapered region of the active waveguide, at a junction of active and passive devices, helps to reduce coupling losses by resonant or adiabatic coupling of the optical energy between the passive waveguide and the active waveguide.
Passive region 61 incorporates a passive waveguide 125 for propagating light emitted from the active waveguide.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=99/67665.991229&ELEMENT_SET=DECL   (4596 words)

  
 Passive Voice   (Site not responding. Last check: 2007-10-19)
As previously stated, the passive voice in English is formed by combining a form of the verb to be with the past participle of a transitive verb.
Remember that a true passive construction indicates that an action is performed on the subject of the sentence; whereas a stative passive construction merely describes the state or condition of the subject.
Passive voice is a tool that writers use unconsciously to keep their readers' focus on the topic of a passage and to maintain a smooth balance between old and new information.
www.rit.edu /~japnce/payne/teachinggrammar/passivevoice.html   (3873 words)

  
 ACTIVE AND PASSIVE FILTER DESIGN PROGRAMS
Transforms the low pass prototype to a high pass filter, all pole designs only.
Transforms the low pass prototype to a band pass filter, all pole designs only.
Transforms the low pass prototype to a top coupled band pass filter, which is OK for narrow band filters, not good for wide band.
www.geocities.com /russlk/filters.htm   (315 words)

  
 Passive Transformation   (Site not responding. Last check: 2007-10-19)
All passive sentences are derived from active sentences with transitive verbs.
The direct object of the active sentence becomes the grammatical subject of the passive sentence.
The subject of the active sentence becomes the object of the preposition by in an adverbial agent phrase.
www.utexas.edu /courses/langling/e360k/handouts/passives/pass_trans.html   (274 words)

  
 Vol 31 No 1, January - March 1993 Page 38
True passive verbs in Classical and Modern Standard Arabic (as well as “causative” pairs such as learn-teach, wear- dress, which are to a certain extent regularly derived in Arabic) normally precede the topic/subject and yet must still agree in gender with what follows (Haywood and Nahmad 1965).
This is actually much closer to the original Chomskyan view that transformations serve as bridges between the abstract level of “deep structure” and a concrete “surface” structure.
This is not an easy task, as transformational dogma is deeply entrenched not only in the drills themselves but in standard metagrammar, not to mention traditional syllabi, which introduce “hard” passive much later than “easy” active.
exchanges.state.gov /forum/vols/vol31/no1/p38.htm   (2083 words)

  
 Langston, Cognitive Psychology, Notes 10
Transformational grammars: There are some constructions you can't handle with phrase structure grammars.
Transformations: You get from the deep structure to the surface structure by passing it through a set of transformations (hence the name transformational grammar).
Note that this is commonly used as evidence for propositions, not as evidence for transformational grammar.
www.mtsu.edu /~wlangsto/CogPsyNotes10.html   (3083 words)

  
 Top 20, Great Grammar for Great Writing
Instructions: Transform the following sentences from active to passive.
Use your judgment as to whether the "by-" phrase needs to be included.
If the sentence cannot be written in the passive, write "No change" in the blank.
college.hmco.com /esl/vestri_solomon/top20/1e/students/exercises/unit12/exe04.html   (169 words)

  
 Quick Grammar Review   (Site not responding. Last check: 2007-10-19)
In active voice, the subject of the sentence does the action.
Passive voice allows an action to be described without explaining who or what committed the action.
Politicians typically use active voice to talk about the good things they have accomplished and passive voice to describe the bad things which have happened during their service.
www.northwestcollege.edu /id/koellinr/grammar/voice.htm   (167 words)

  
 Student Modelling in an Intelligent Tutoring System for the Passive Voice of English Language   (Site not responding. Last check: 2007-10-19)
The domain knowledge of the Passive Voice Tutor consists of procedures concerning the conversion of a sentence from active into passive voice and vice versa, a vocabulary of English words used in the construction of exercises, the semantic relations of the words of the vocabulary and procedures and rules about prerequisite grammatical concepts.
Exercises where the user is asked to rewrite a sentence using passive voice: In this case, the student is given a sentence in the active voice and s/he is asked to rewrite the sentence in the passive voice.
In the “rewrite” type of exercise the student is given a sentence in one voice (active or passive) and is asked to rewrite the sentence using another voice.
ifets.ieee.org /periodical/vol_4_2000/virvou.html   (6555 words)

  
 Passive permeability and outward active transport of fluorescein across the blood-retinal barrier in early ARM -- ...
Passive permeability and outward active transport of fluorescein across the blood-retinal barrier in early ARM -- Moldow et al.
The passive permeability of the patient group was not significantly different from that of the control group.
The active transport of fluorescin by the retinal vessels and the retina.
bjo.bmjjournals.com /cgi/content/full/85/5/592   (3622 words)

  
 Chapter 3
Most traditional grammars would state that the only difference between the active and the passive voice has to do with whether the subject of the verb is acting or is acted upon.
In the passive sent been between the direct object and the verb of the same active sentence: The subject is the receiver of the action or, perhaps to be more accurate, the objective or goal.
In sentences in the active voice, primary focus is on the subject (the agent or doer of the action).
www.csus.edu /indiv/t/tanakar/Eng110J/chapter_3.htm   (4570 words)

  
 NEPP - Packaging Experts   (Site not responding. Last check: 2007-10-19)
This is the shortest transformation region reported and is about 3 times shorter than the corresponding adiabatic mode transformers.
By transforming the mode between the waveguides, various OE integrated modules like lasers and modulators, semiconductor amplifiers and splitters, optical switches and passive waveguides, can be built.
Identify suitable packaging platforms for the monolithic integration of different active and passive components on the same substrate in single epitaxial growth and using conventional fabrication schemes.
nepp.nasa.gov /index_nasa.cfm/474/1754A852-7E5B-48C4-841D3DB675C2634C   (480 words)

  
 Spanish Language Exercises - Passive   (Site not responding. Last check: 2007-10-19)
The passive construction in Spanish is a complex subject, and these exercises are offered as an overview of the main points.
Passive I: A quick introduction to the mechanics of the transformation of the active voice into the passive voice, as well as brief review of the participle in Spanish.
Passive II: The difference between the real passive voice formed with the verb "ser" and other sentences formed with the verb "estar".
mld.ursinus.edu /~jarana/Ejercicios/self-check/pasiva   (113 words)

  
 Botany online: Membranes and Transport
It is also spoken of an active transport in contrast to passive transport that occurs only in the direction of the concentration gradient.
In order to understand passive transport is it necessary to understand a little of the topics diffusion, permeability and osmosis, too.
Active transport can be understood when knowing structure and function of integral proteins and the electrochemical properties of the membrane while the understanding of energy transformation requires information about all the molecules within the respective membrane.
www.biologie.uni-hamburg.de /b-online/e22/22.htm   (1136 words)

  
 The Passive Engineer
We may also have political reasons to use the passive and shun "I" and "we." The passive construction is a convenient way to avoid taking responsibility.
The passive verb has two parts: a form of the verb "be" ("was") and the past participle of the main verb ("repaired").
Passive constructions frequently omit the actor so the reader cannot tell who should be doing what.
www.protrainco.com /info/essays/passive.htm   (1203 words)

  
 Active versus Passive 3D Displays   (Site not responding. Last check: 2007-10-19)
The active display operates by very rapidly alternating between the left-eye and the right-eye image in the same space.
The passive method of displaying stereoscopic images is better suited for large groups, since the expensive technology is primarily in the display rather than each pair of glasses (polarized glasses run about $1.20 a pair).
The concept is simple; project both the left eye and the right eye simultaneously into the same space, and then use a special set of glasses which shows each image to its intended eye while blocking out the unintended image from that eye.
www.scec.org /geowall/actpass.html   (385 words)

  
 Supporting English Acquisition
In course assignments, you can increase students’ exposure to passive voice structures by incorporating them into exercises in ways where they might naturally appear and where their meaning is absolutely clear.
For reinforcing the distinction between active and passive, you can develop inductive exercises related to specific assignments that force students to choose between active and passive sentences.
The result can be a confusion of forms, with a combination of elements which are neither active nor passive.” He further asserts that an important function of the passive voice construction, “as a means of describing a sequentially ordered process, may not be obvious to the student as a result of such practice exercises” (p.
www.rit.edu /~seawww/passivevoice/ps17specific.html   (564 words)

  
 Change of representation
A unitary transformation is equivalent to a change of basis.
The results of the active and the passive transformation are the same.
of quantum mechanics treats the unitary transformation as a passive transformation.
electron6.phys.utk.edu /qm1/modules/m3/change_rep.htm   (568 words)

  
 | Active/Passive, Acts/Passions: Greek and Roman Sexualities | The American Historical Review, 105.4 | The History ...
Further, she argues, women were not just seen as passive sexually; although moikheia (adultery) was an offense against the man who controlled the woman involved, the implication is that the woman had taken control of her own sexuality, subverting her husband's control.
Key to the distinction of gender roles was the concept that men are active and women passive, or that men are penetrators and women penetrated.
To be the passive partner in a sexual relation was muliebria pati, "to have a woman's experience," but to be penetrated was not just the experience of a woman but also that of a slave or freedman.
www.historycooperative.org /journals/ahr/105.4/ah001250.html   (7568 words)

  
 Dictionary active   (Site not responding. Last check: 2007-10-19)
-- characterized by energetic activity; "an active toddler"; "active as a gazelle"; "an active man is a man of action"
-- in a state of habitual or vigorous activity; "an active man is a man of action"
, on the move -- being in physical motion; "active fish in the aquarium"; "a nurse is on the move all day"
www.dictionarydefinition.net /active.html   (319 words)

  
 Spanish Language Exercises - Passive - Passive I
The first thing we need to know about the passive sentence in Spanish is that it is practically inexistent in oral speech, and its presence in written language is mainly due to the influence of English.
In active sentences, we usually find three elements: a subject, a verb and an object.
Here are some more examples of active and passive sentences.
mld.ursinus.edu /~jarana/Ejercicios/self-check/pasiva/pasiva1.html   (325 words)

  
 IQ PREDICTION
Transformation groups are part of group theory (the mathematics of symmetry), developed by a 16-year-old Frenchman, Évariste Galois (1811-1832).
But consider the passive transformation of this sentence: "John is going to the store".
But, here, "is" functions as a language-device which vanishes in the transformation from passive to active sentence-form.
members.fortunecity.com /jonhays/iqpred.htm   (904 words)

  
 Brain structures related to active and passive finger movements in man -- Mima et al. 122 (10): 1989 -- Brain
was 22.4 ± 6.4°, whereas it was 20° for the passive
When the active movement is compared with the passive one (C), greater activation in the former than in the latter is seen in the same area as in (A).
The SMA and the left SI are activated by the active movement compared with the resting condition (A) as well as with the passive movement (C).
brain.oxfordjournals.org /cgi/content/full/122/10/1989   (4906 words)

  
 The Passive Voice [Abdessalami]
But before all let's see what does the active sentence look like before the operation then go to discuss the process the doctor follows during the operation and examine the patient after the operation.
If you have learnt how to transform the sentence from the active to the passive you'll be able to explain the changes that have occurred on this sentence.
Besides this, when the active sentence is in the future; or any of the modals is used, the passive sentence seems quite easier to do.
www.angelfire.com /ab6/sdi_bari/passive.html   (1021 words)

  
 Signal Processing in the Vestibular System During Active Versus Passive Head Movements -- Cullen and Roy 91 (5): 1919 ...
A: the primary input to the abducens motor nuclei during smooth pursuit is thought to be from the eye-head (EH) neurons of the vestibular and prepositus hypoglossi nuclei.
Head-in-space velocity information, which is the sum of actively and passively generated head movements, is relayed directly to both the vestibular nuclei (pathway A) and the cerebellum (pathway B) by primary vestibular afferents.
Semicircular canal afferents similarly encode active and passive head rotation: implications for the role of vestibular efference.
jn.physiology.org /cgi/content/full/91/5/1919   (8505 words)

  
 Peirce on Abstraction   (Site not responding. Last check: 2007-10-19)
The relationship of the abstract to the concrete is closely connected to that between the abstraction and the "more primary substances" or namable things upon which the abstraction's "being" depends, in that the concrete predication contrasted with a given abstraction is applied to the more primary substances upon which the abstraction in question depends.
Whatever the flux and controversy surrounding transformational grammars, it is clear that in the transformations therein considered, there must be a continuity of meaning in some sense of the term between the "deep" structures and the structures on which they are mapped.
the controlled or directed transformation of an indeterminate situation into one that is so determinate in its constituent distinctions and relations as to convert the elements of the original situation into a unified whole.
www.clas.ufl.edu /users/jzeman/peirce_on_abstraction.htm   (7061 words)

  
 Assessment of Active and Passive Restraint During Guided Reaching After Chronic Brain Injury (ResearchIndex)   (Site not responding. Last check: 2007-10-19)
The device, called the "Assisted Rehabilitation and Measurement Guide," is designed to guide reaching movements across the workspace, to measure movement and force generation, and to apply controlled forces to the arm along linear reaching paths.
We performed a series of experiments using the device in order to identify the contribution of active muscle and passive tissue restraint to...
1 Separation of active and passive components of short-range s..
citeseer.ist.psu.edu /reinkensmeyer99assessment.html   (535 words)

  
 UH Press Journals: Oceanic Linguistics 37 (1998): 193-200
A Niuean transitive clause without an expressed agent requires a passive translation in English, and this should be pointed out, but to say that a transitive clause with an overt agent and patient is a passive construction is another matter entirely, and not a solution usually chosen in grammars of Polynesian languages.
As noted above, the term "active" is introduced as a semantic class of intransitive verb, in contrast to stative (18).
In the entry for the prefix ma- we are told that it is "attached to verbs to transform them into participles, often indicating some natural or accidental happening, agent unknown or irrelevant" (193).
www.uhpress.hawaii.edu /journals/ol/OL371p193.html   (3531 words)

  
 Cambridge Center for Behavioral Studies: Computer Modeling of Verbal Behavior
Given these component sentences, we might now represent the past-tense transformation of each, the active-to-passive transformation of the last, and the correspondences between the words cat, canary and tune in the respective pairs of successive sentences.
Depending on whether we proceeded from the sentence to its constituents or from the constituents to the sentence, we might speak of analyzing the terminal sentence into its components or its kernel sentences, or of generating the sentence by recursive rewriting rules.
To say that a complex sentence is the terminal sentence generated by transformations of particular kernel sentences does not imply that the kernel sentence came first in some covert stage of production.
www.behavior.org /computer-modeling/catania/catania9.cfm   (553 words)

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